We've traveled to 54 countries with our kids and have spent a lot of time outdoors, finding the very coolest adventures that we can. These are our favorite places to hike, go kayaking, watch the stars, head out on horseback, run down sand dunes, and...

There's far more to experience in Europe than its most popular (and most Instagrammed) cities. For every Paris or London, there is a yet undiscovered city located off the beaten path. And you can be the one to unlock its secrets. Ahead, we've select...